第六章。

This commit is contained in:
unlockable
2022-11-30 23:41:24 +08:00
parent 58f36b9bb1
commit 09a1d42dd5
5 changed files with 221 additions and 3 deletions

View File

@@ -778,7 +778,7 @@ $x = 0$是$f$的第二类间断点。
$x_0$为跳跃间断点。
\end{proof}
\begin{theorem}[Weierstrass第一逼近定理]
\begin{theorem}[Weierstrass第一逼近定理]\label{Weierstrass第一逼近定理}
$f \in C[a, b]$,则$\forall \varepsilon > 0$,存在多项式$P(x)$,满足
\[\forall x \in [a, b] \eqco \vert f(x) - P(x) \vert < \varepsilon \eqper\]
\end{theorem}